Chord Mojo 2 Thread ___ [product released January 31, 2022 -- starting on page 95 of thread]

[ferorake]

"Extremely low output" sounds like a faulty unit. It has plenty of current and drives planars easily. Which $100 dongle is it close to in output? Admittedly I've only tried the Cobalt and Chronos, but the Mojo has a great deal more drive than either of those. Yes, it takes a while to come up to temperature, just like lots of hifi gear. "it's not okay" is like passing judgement on its design, when, "I need something different for my use" is more accurate and more polite.

"Drive planars"
It's not a faulty unit, it's being honest even if I spent on it. There's not enough power to drive normal headphones, and a portable device who needs minutes and minutes to "go on temperature" has something wrong in it. Maybe you only listen to ultra-compressed music, in that case power output could be enough. I use UAPP with Qobuz\stored music, and is not enough.
For a 600€ DAC\AMP I expect much more than this. If I only want to use ultra-high sensitive headphones or IEMs, I go for a dongle.

 

[GoldenSound]

"Drive planars"
It's not a faulty unit, it's being honest even if I spent on it. There's not enough power to drive normal headphones, and a portable device who needs minutes and minutes to "go on temperature" has something wrong in it. Maybe you only listen to ultra-compressed music, in that case power output could be enough. I use UAPP with Qobuz\stored music, and is not enough.
For a 600€ DAC\AMP I expect much more than this. If I only want to use ultra-high sensitive headphones or IEMs, I go for a dongle.

The Mojo 2 has 0.6W of power which is plenty for the vast majority of headphones. I was using Arya Stealth on it without issue.

Worth double checking that there isn't some volume limitation with your phone etc? Sometimes they have that

 

[hakunamakaka]

But he wants at least 1W for 600eur

 

[LabelH]

I have been spending few days with Mojo2. I actually prefer the sound profile fresh out of the box, cold and tight sound.
After spending 1 day, it become more relaxed and tad warm. But i still like the sound. It does pretty good job driving TH900.

 

[jarnopp]

Just tried powering it with the HYPSOS and it seems it's only pulling 0.2A which does not seem right. Seems unfortunately the charging circuit might be borked somehow

Coming in late here, but do you have a Poly? You might try charging them connected and see if anything changes.

 

[Lyssky]

"Drive planars"
It's not a faulty unit, it's being honest even if I spent on it. There's not enough power to drive normal headphones, and a portable device who needs minutes and minutes to "go on temperature" has something wrong in it. Maybe you only listen to ultra-compressed music, in that case power output could be enough. I use UAPP with Qobuz\stored music, and is not enough.
For a 600€ DAC\AMP I expect much more than this. If I only want to use ultra-high sensitive headphones or IEMs, I go for a dongle.

I just wonder what you are trying to drive. Mojo2 may have problems with some low sensitivity headphones like HiFimans (I didn’t try) but other than that I can’t imagine what problem you are referring to. I mean if you are trying to drive those kind of headphones then naturally Mojo2 can’t do that and your complaint on power seems for naught. For those you’ll need at least transportable amps like iFi diablo.
It’s true that planar manufacturers advice high power for the best experience but I’ve also had another amp which provided more than twice the power of Mojo2 and I didn’t hear much difference if any in my planar’s presentation.
Ah, of course this doesn’t mean that I won’t get my hands on a more powerful amp when I have the chance to couple with Mojo2 for future possibilities.

 

[msz38]

How can I know when I'm going to output the correct voltage?

turn up the volume until the distortion appears. Simple. The amp won't blow up from this.

 

[miketlse]

"Drive planars"
It's not a faulty unit, it's being honest even if I spent on it. There's not enough power to drive normal headphones, and a portable device who needs minutes and minutes to "go on temperature" has something wrong in it. Maybe you only listen to ultra-compressed music, in that case power output could be enough. I use UAPP with Qobuz\stored music, and is not enough.
For a 600€ DAC\AMP I expect much more than this. If I only want to use ultra-high sensitive headphones or IEMs, I go for a dongle.

OK, lets have an adult discussion.

How many Watts do you think it takes to drive iems?
Owners published spreadsheets on the Mojo 1 thread, calculating that for most iems just 100mW would produce sound levels in the range of 100dB, so loud enough to damage your hearing.
If you are claiming that the Mojo 2 cannot drive typical iems to similar levels, then either your Mojo 2 is defective or maybe your input device is configured to restrict the volume.

My Mojo1 can easily drive headphones such as the Aeon Flow Closed, so I would expect the Mojo2 to do similar without any problem.
If you want 5W output from a device the size of a packet of cigarettes, then ultimately the battery will last an hour.

As Sagan said 'extraordinary claims require extraordinary evidence'.
It is hard to understand your claims, compared to the evidence posted by many other owners.

 

[ferorake]

OK, lets have an adult discussion.

How many Watts do you think it takes to drive iems?
Owners published spreadsheets on the Mojo 1 thread, calculating that for most iems just 100mW would produce sound levels in the range of 100dB, so loud enough to damage your hearing.
If you are claiming that the Mojo 2 cannot drive typical iems to similar levels, then either your Mojo 2 is defective or maybe your input device is configured to restrict the volume.

My Mojo1 can easily drive headphones such as the Aeon Flow Closed, so I would expect the Mojo2 to do similar without any problem.
If you want 5W output from a device the size of a packet of cigarettes, then ultimately the battery will last an hour.

As Sagan said 'extraordinary claims require extraordinary evidence'.
It is hard to understand your claims, compared to the evidence posted by many other owners.

IEM? I've never talked about IEM. I just said that the mojo2 can drive properly only IEM and extremely high sensitivity hp.

I just wonder what you are trying to drive. Mojo2 may have problems with some low sensitivity headphones like HiFimans (I didn’t try) but other than that I can’t imagine what problem you are referring to. I mean if you are trying to drive those kind of headphones then naturally Mojo2 can’t do that and your complaint on power seems for naught. For those you’ll need at least transportable amps like iFi diablo.
It’s true that planar manufacturers advice high power for the best experience but I’ve also had another amp which provided more than twice the power of Mojo2 and I didn’t hear much difference if any in my planar’s presentation.
Ah, of course this doesn’t mean that I won’t get my hands on a more powerful amp when I have the chance to couple with Mojo2 for future possibilities.

I'm finding problems with dynamic drivers too, not only planars. Clearly I'm not trying to listen an arya or a he1000, but neither a d7200 sounds powerful enough with some tracks.
The fact is that if I want so much compromises, I don't spend 600€ on a portable dac\amp. Except for the ifi diablo, there's nothing costlier than this. At this price I could grab a DAP, and I don't get why I should prefere a mojo.

 

[joshnor713]

At this price I could grab a DAP, and I don't get why I should prefere a mojo.

Sound quality. That's it. Chord has said that that's their ultimate concern, everything else is secondary. If you want something more technologically advanced, then it's just not the device for you.

 

[dsrk]

Clearly I'm not trying to listen an arya or a he1000, but neither a d7200 sounds powerful enough with some tracks. At this price I could grab a DAP, and I don't get why I should prefere a mojo.

Sound quality, form factor and FUN. I highly doubt that any DAP in its price range sounds better than Mojo 2. It runs circles around my FiiO M11 Pro
D7200 is not harder to drive, not better synergy with Mojo 2 may be? As you know synergy is very important.

 

[vlach]

At this price I could grab a DAP

I don't think a DAP will do better at driving planars.

 

[559938]

"Drive planars"
It's not a faulty unit, it's being honest even if I spent on it. There's not enough power to drive normal headphones, and a portable device who needs minutes and minutes to "go on temperature" has something wrong in it. Maybe you only listen to ultra-compressed music, in that case power output could be enough. I use UAPP with Qobuz\stored music, and is not enough.
For a 600€ DAC\AMP I expect much more than this. If I only want to use ultra-high sensitive headphones or IEMs, I go for a dongle.

There’s plenty of power to drive normal headphones. I use uncompressed files (very wide dynamic classical and electronic music) stored locally or streamed on Qobuz via an Innuos Zen MK3 into HD600, LCDi4, Utopia and NightOwl. “Has something wrong with it” - are you seriously suggesting you know more about designing than Rob Watts? That his choices are wrong in the context of his design goals? Dude, just be nice.

 

[ferorake]

Maybe I expected too much from a portable device

 

[amarkabove]

IEM? I've never talked about IEM. I just said that the mojo2 can drive properly only IEM and extremely high sensitivity hp.

I'm finding problems with dynamic drivers too, not only planars. Clearly I'm not trying to listen an arya or a he1000, but neither a d7200 sounds powerful enough with some tracks.
The fact is that if I want so much compromises, I don't spend 600€ on a portable dac\amp. Except for the ifi diablo, there's nothing costlier than this. At this price I could grab a DAP, and I don't get why I should prefere a mojo.

A D7200 is not a hard pair of cans to drive. Either you have a faulty unit, a faulty set of cans, or don't actually know what you're listening for. If by "not powerful enough" you actually mean "lacking bass" then good news, you can use the fantastic DSP and increase the low end with a couple clicks of a button.

Also don't make easily refutable claims like "Except for the ifi diablo, there's nothing costlier than this." the Micro iDSD signature, the CEntrance M8, Woo WA11 (and WA8 for that matter), A&K ARCO are others that cost more than the Mojo 2 off the top of my headband I'm sure I'm forgetting some. Not to mention, if you want to get anywhere close to the sound quality of the Mojo in a DAP, you're looking at spending considerably more. I love my SR25 on the go, but would never chose it over the Chord if sitting at a desk for a long period of time.